[A brief interlude in which the chicken comes out of the oven, and the gravy is started. Now the gravy is reducing a little while the meat rests.]
I got a 3" thick memory foam mattress topper a couple of years ago which has been wonderful for my back. It's also a terrific insulator, which is great in the winter, but on not so cold nights most of my other blankets are just too warm in combination with it. For the summer, I used two sheets in lieu of a blanket, but that's not enough for those middlin' cool fall nights we've been having, and my other blankets are just too much. (Hard to believe that when I was in grad school I used an electric blanket plus a comforter on occasion. Of course, I have more internal insulation these days.)
I have also made a discovery about the sizing of blankets. I have a standard full-size bed. Years ago, blankets were available for full-size beds. Now they no longer exist, and one is expected to buy a "full-queen" sized blanket, which costs more. But last time I bought a blanket I actually looked at the measurements of twin-size blanket, and realized that it would do perfectly well on my bed, especially given that I never make my bed and prefer to just sort of wrap the bed linens around me. Cheap blankets!